book Maths Puzzle Numerical Ability

How would you factor x^2 + 10x + 8. It is part of a larger problem I am having alot of trouble with

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book Other Question

Brandon pays $4.95 a month for long distance telephone service that offers a flat rate of 7 cents per minute.
One month his long distance telephone bill was $10.69. How many minutes of long distance telephone calls were made that month?
how many centimeter in one decimeter